From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 914/CH10/EX10.9/ex10_9.sce | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100755 914/CH10/EX10.9/ex10_9.sce (limited to '914/CH10/EX10.9/ex10_9.sce') diff --git a/914/CH10/EX10.9/ex10_9.sce b/914/CH10/EX10.9/ex10_9.sce new file mode 100755 index 000000000..11d9f1e94 --- /dev/null +++ b/914/CH10/EX10.9/ex10_9.sce @@ -0,0 +1,37 @@ +clc; +warning("off"); +printf("\n\n example10.9 - pg443"); +// given +L1=50; //[m] - length of first pipe +L2=150; //[m] - length of second pipe +L3=100; //[m] - length of third pipe +d1=0.04; //[m] - diameter of first pipe +d2=0.06; //[m] - diameter of second pipe +d3=0.08; //[m] - diameter of third pipe +deltap=-1.47*10^5; //[kg/m*sec] - pressure drop +mu=1*10^-3; //[kg/m*sec] - viscosity +p=1000; //[kg/m^3] - density +// for branch 1 +S=(%pi*(d1^2))/4; +Nvk=((d1*p)/mu)*(-(d1*deltap)/(2*L1*p))^(1/2); +f=(1/(4*log10(Nvk)-0.4))^2; +U=(((-deltap)/p)*(d1/L1)*(2/4)*(1/f))^(1/2); +w1=p*U*S; +printf("\n\n For first branch w1=%f kg/sec",w1); +// for branch 2 +S=(%pi*(d2^2))/4; +Nvk=((d2*p)/mu)*(-(d2*deltap)/(2*L2*p))^(1/2); +f=(1/(4*log10(Nvk)-0.4))^2; +U=(((-deltap)/p)*(d2/L2)*(2/4)*(1/f))^(1/2); +w2=p*U*S; +printf("\n\n For second branch w2=%f kg/sec",w2); +// for branch 3 +S=(%pi*(d3^2))/4; +Nvk=((d3*p)/mu)*(-(d3*deltap)/(2*L3*p))^(1/2); +f=(1/(4*log10(Nvk)-0.4))^2; +U=(((-deltap)/p)*(d3/L3)*(2/4)*(1/f))^(1/2); +w3=p*U*S; +printf("\n\n For third branch w3=%f kg/sec",w3); +// total flow rate w=w1+w2+w3 +w=w1+w2+w3; +printf("\n\n total flow rate is w=%f kg/sec",w); -- cgit